Oenothera pallida, pale evening primrose

pale evening primrose
Oenothera pallida

Hardiness: Zones 4 to 9
Plant type: Herbaceous biennial
Height: 1.5'-2.5'
Spread: 1'-1.5'
Sun: Full Sun
Water: dry
Bloom time: July, August, September
Bloom color: white
Soil: Sandy, well-draining soils, Neutral (≈7), Acid (<7pH).